Advance directives are legal documents that spell out your preferences for medical care if you ever become unable to communicate your own wishes. They only take effect when you can’t speak for yourself, whether due to unconsciousness, severe illness, or cognitive decline. The two main types are a living will and a durable power of attorney for healthcare, and they serve different but complementary purposes.
Roughly one in three U.S. adults has completed some form of advance directive. That rate is nearly the same for healthy adults (about 33 percent) and people with chronic illnesses (about 38 percent), which means most people put off these documents regardless of their health status. Understanding what each document does, and how they work together, makes the process far less intimidating.
Living Will: Your Treatment Preferences on Paper
A living will is a written statement of the medical treatments you do or don’t want if you’re facing a life-threatening situation and can’t speak for yourself. It gives your medical team direct guidance on specific interventions, including:
- CPR. Whether you want your heart restarted if it stops beating, including the use of electric shock devices.
- Mechanical ventilation. Whether you want to be placed on a breathing machine, and if so, for how long.
- Tube feeding. Whether you want nutrients and fluids delivered through a tube inserted into a vein or your stomach.
The value of a living will is its specificity. Rather than leaving your family to guess what you’d want, you make those choices in advance and put them in writing. You can be as detailed as you like, addressing different scenarios (for example, you might accept short-term ventilation after surgery but decline it if you have a terminal diagnosis with no chance of recovery).
Healthcare Power of Attorney: Choosing Your Decision-Maker
A durable power of attorney for healthcare names a specific person, called your healthcare agent or proxy, to make medical decisions on your behalf when you can’t. This person’s authority kicks in only when you lose the ability to communicate, and their choices take legal priority over the wishes of other family members.
In most states, your agent can choose or refuse life-sustaining treatment, consent to treatment and later stop it if your condition doesn’t improve, access and release your medical records, and make decisions about organ donation unless you’ve stated otherwise. Some states also allow your agent to refuse or withdraw tube feeding even if your living will doesn’t address it specifically, so it’s worth checking your state’s rules.
One common point of confusion: a healthcare power of attorney does not give your agent any control over your finances. It’s strictly limited to medical decisions. Your agent also can’t be held responsible for your medical bills.
Your agent’s core duty is to follow the wishes you’ve expressed. If a situation arises that you didn’t specifically address, the agent is expected to decide based on what they believe you would have wanted. This is why choosing someone who knows your values well, and having thorough conversations with them, matters as much as the paperwork itself.
When Advance Directives Take Effect
An advance directive sits dormant until a qualified healthcare professional determines you lack the clinical capacity to make your own decisions. Clinical capacity means the ability to understand the potential benefits and harms of a proposed treatment, consider alternatives, and communicate a choice. This determination is specific to the decision at hand. You might lack capacity to make complex surgical decisions while still being able to handle simpler ones.
This is different from being declared legally incapacitated by a judge, which is a broader legal process. In practice, your medical team makes the clinical call based on your state’s laws, and your advance directive activates from that point forward. If you regain the ability to communicate and make decisions, you resume control of your own care.
How to Make One Legally Valid
You don’t need a lawyer to create an advance directive, though consulting one can help with complex family situations. Legal requirements vary by state, but the general framework is straightforward. You typically need to sign and date the document in front of two adult witnesses who also sign it. In many states, you can have the document notarized instead of using witnesses. The person you name as your healthcare agent cannot serve as one of your witnesses.
Every state has its own rules and sometimes its own preferred forms. Many state health departments and hospitals provide free templates. The critical thing is making sure your documents comply with your state’s specific requirements so they’ll hold up when needed.
Where to Keep Your Documents
An advance directive is useless if no one can find it in an emergency. Store the originals in a secure but accessible place in your home, not a safety deposit box that others can’t easily open. Beyond that, distribute copies to:
- Your healthcare agent and any backup agents you’ve named
- Your primary care doctor, so it’s part of your medical file
- Your hospital chart, if you’re admitted (your agent or a family member can handle this if you’re unable to)
It also helps to carry a wallet card listing your agent’s name and phone number, along with a note about where the original documents are stored. If you’re ever brought to an emergency room unconscious, that card becomes the link between your wishes and the people who need to follow them.
Advance Directives vs. POLST
You may have heard of a POLST form (Physician Orders for Life-Sustaining Treatment, sometimes called MOLST in certain states). A POLST is not an advance directive. It’s a set of actual medical orders written by a doctor after a conversation with you or your decision-maker. The two documents serve different populations and different purposes.
Any adult can create an advance directive regardless of health status, and it expresses general preferences. A POLST is designed for people with serious illness or frailty, typically when a healthcare professional wouldn’t be surprised if the person died within a year or two. While an advance directive generally doesn’t apply to emergency care, a POLST does. Emergency responders are trained to follow POLST orders on the scene.
The two documents complement each other. Your advance directive captures your broad goals and values across all stages of life. A POLST translates those goals into specific medical orders tailored to your current condition. If you have both, the POLST takes precedence for the specific treatments it covers because it reflects a more recent, clinically informed conversation.
DNR Orders and How They Fit In
A do-not-resuscitate order is a medical order written by your healthcare provider instructing the care team not to perform CPR if your heart stops or you stop breathing. It is narrowly focused on resuscitation only. It doesn’t affect other treatments like pain management, medications, or nutrition.
A DNR is different from a living will in an important way: it’s a doctor’s order in your medical chart, not a document you write yourself. Your provider writes it after discussing it with you, your healthcare agent, or your family. Once a DNR is in place at your request, your family cannot override it. If you want a DNR to be recognized outside the hospital, your provider can help you obtain a wallet card, bracelet, or standardized state form that emergency personnel will recognize.
Updating Your Directives Over Time
Your advance directive isn’t a one-time task. Major life changes, such as a new diagnosis, a marriage or divorce, or the death of your chosen agent, are all reasons to revisit and revise your documents. You can update or revoke an advance directive at any time as long as you have the capacity to do so. Simply create a new document following your state’s requirements, distribute new copies to everyone who had the old version, and destroy the outdated ones to avoid confusion.
Even without a major life event, reviewing your directives every few years keeps them aligned with your current values and medical reality. What felt right at 40 may not reflect your thinking at 65.